CN223390694U

CN223390694U - Energy storage power supply

Info

Publication number: CN223390694U
Application number: CN202422612323.8U
Authority: CN
Inventors: 黄水生; 陈勇军; 沈高松; 孙中伟
Original assignee: Shenzhen Hello Tech Energy Co Ltd
Current assignee: Shenzhen Hello Tech Energy Co Ltd
Priority date: 2023-06-20
Filing date: 2024-02-04
Publication date: 2025-09-26
Anticipated expiration: 2034-02-04
Also published as: CN116759736A; CN117878507A; CN221783357U

Abstract

The utility model discloses an energy storage power supply. The energy storage power supply comprises a shell, at least one electric core, a fixing piece and an electric connecting piece. The inner wall of the shell is provided with a positioning part, the first end of at least one electric core is inserted into the positioning part, and the second end of at least one electric core opposite to the first end is provided with two electrodes. The fixing piece is used for fixing the second end of at least one cell. The electrical connector is electrically connected to the second end of the at least one electrical cell. Above-mentioned energy storage power supply, shells inner wall are equipped with location portion, and the first end of electricity core can be directly inserted and establish at location portion, and need not be fixed the reassemble to the casing through the support, when having saved spare part, also saved the installation procedure, can reduce cost and reduce energy storage power supply's volume. In addition, the second end of the battery cell is fixed through the fixing piece and is connected with the electric connecting piece, so that the whole fixation and electric connection of the battery cell in the shell can be realized.

Description

Energy storage power supply

The divisional application is based on the Chinese patent application with the application number of 202420281888.X, the application date of 2024, 02 month and 04 days and the name of 'energy storage power supply'.

Technical Field

The utility model relates to the technical field of energy storage, in particular to an energy storage power supply.

Background

In the related art, two ends of an electric core, corresponding electric connecting pieces and a collecting plate are respectively fixed through two battery supports, and the battery packs are formed and then mounted on a shell. Therefore, the energy storage power supply has the advantages of numerous parts, large volume, high cost and complex installation procedure. On the other hand, because the shell needs to reserve the installation space to install the battery package, further increased the volume of energy storage power.

Disclosure of utility model

The embodiment of the utility model provides an energy storage power supply to solve at least one technical problem.

The embodiment of the utility model provides an energy storage power supply. The energy storage power supply includes:

the shell is provided with a positioning part on the inner wall;

The first end of the at least one electric core is inserted into the positioning part, and the second end of the at least one electric core opposite to the first end is provided with two electrodes;

a fixing member that fixes the second end of the at least one cell;

An electrical connection electrically connected to the second end of the at least one electrical cell;

And the inverter is electrically connected with the at least one electric core.

Above-mentioned energy storage power supply, shells inner wall are equipped with location portion, and the first end of electricity core can be directly inserted and establish at location portion, and need not be fixed the reassemble to the casing through the support, when having saved spare part, also saved the installation procedure, can reduce cost and reduce energy storage power supply's volume. In addition, the second end of the battery cell is fixed through the fixing piece and is connected with the electric connecting piece, so that the whole fixation and electric connection of the battery cell in the shell can be realized.

In certain embodiments, the locating portion is located on an inner bottom wall or an inner side wall of the housing.

Therefore, the battery cell is ensured to be stably placed through the inner bottom wall or the inner side wall of the shell, so that the installation space is saved.

In some embodiments, the inner bottom wall of the housing is formed with a plurality of clamping columns arranged in an array, and the positioning portion is a positioning groove formed between two adjacent rows and two columns of clamping columns.

So, be used for guiding the first end of fixed cylinder electricity core, the security is good.

In some embodiments, the inner bottom wall of the housing is formed with a plurality of limit bars, the plurality of limit bars include serpentine sides, and the positioning portion is a positioning groove formed between two adjacent serpentine sides.

Therefore, the first end of the cylindrical battery cell is inserted into the positioning groove, the side surface of the battery cell is tightly attached to the snakelike side surface, and the stability of the battery cell is improved.

In some embodiments, the inner side wall of the housing is formed with an integral bracket, and the positioning portion is a positioning groove formed on the integral bracket.

Therefore, the battery cell support is saved, the first end of the battery cell is ensured to be stably fixed through the inner side wall of the shell, and the cost is reduced.

In certain embodiments, the detent is circular or rectangular.

Therefore, the cylindrical battery cells and the rectangular battery cells can be stably placed in the positioning grooves with corresponding shapes, and the suitability and the safety of the battery cells with different shapes are improved.

In certain embodiments, the battery cell comprises one of a cylindrical battery cell and a sheet-like battery cell.

Therefore, the actual requirements of users are met by providing the battery cells with different shapes.

In certain embodiments, one of the two electrodes is a positive electrode and the other is a negative electrode.

Therefore, the same side of the battery core can be guaranteed to realize a charging function or a discharging function, winding and welding steps are reduced, and the miniaturization of the energy storage power supply is facilitated.

In some embodiments, the two electrodes are two differently shaped or differently sized studs.

Therefore, the positive electrode and the negative electrode of the battery cell are conveniently distinguished according to the shape or the size of the convex column, so that the accuracy of the installation and connection of the battery cell is improved, and the safe use of the energy storage power supply is ensured.

In some embodiments, the second end of the cell is provided with a stud configured as one of the two electrodes, and the other portion of the second end of the cell can be the other of the two electrodes.

Therefore, the battery cell realizes charging input and discharging output at the second end, and normal operation of the energy storage power supply is ensured.

In some embodiments, the fixing member includes a split bracket formed with a plurality of second positioning portions for fixing the second end, the second positioning portions being provided with through holes through which the posts protrude.

Therefore, the battery cell is stably placed in the energy storage power supply, and the safe work of the battery cell is ensured.

In certain embodiments, the securing member comprises a securing gel.

Therefore, the second end of the battery cell is stably placed, and the overall stability of the battery cell is ensured.

In some embodiments, the housing includes a first shell and a second shell, the first shell being detachably connected to the second shell, the positioning portion being provided on the first shell or the second shell.

Thus, the device is convenient to assemble or overhaul, practical and convenient.

In some embodiments, the positioning portion is an integral piece with the housing.

Therefore, the continuity and the structural strength of the positioning part and the shell are improved, and the safety and the stability of the energy storage power supply are ensured.

In some embodiments, the energy storage power supply further comprises a battery management system electrically connected to the cells and the inverter.

In some embodiments, the energy storage power supply further includes a front panel and a motherboard, the motherboard is disposed in the housing, the motherboard is electrically connected with the battery core and the inverter, the front panel is disposed outside the housing, and the front panel is electrically connected with the motherboard.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the present utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is an exploded perspective view of an energy storage power supply according to an embodiment of the present utility model;

Fig. 2 to 3 are schematic perspective assembly views of an energy storage power supply according to an embodiment of the present utility model;

Fig. 4 to 7 are plan views showing a case according to an embodiment of the present utility model, in which a positioning portion is provided at an inner bottom wall thereof;

Fig. 8 to 11 are plan views showing the case according to the embodiment of the present utility model, in which the inner side wall is provided with an integral bracket;

fig. 12 is a schematic structural view of a battery cell according to an embodiment of the present utility model;

fig. 13 is another exploded perspective view of an energy storage power supply according to an embodiment of the present utility model.

Reference numerals for main elements:

The energy storage power supply 10, the shell 11, the battery core 13, the fixing member 15, the electric connecting member 17, the acquisition board 19, the inverter 21, the battery management system 23, the main board 25, the front panel 27, the handle 29, the foot pad 31, the positioning part 111, the accommodating cavity 112, the inner bottom wall 113, the inner side wall 115, the first shell 117, the second shell 119, the first end 131, the second end 132, the electrode 133, the split bracket 151, the screw 152, the clamping column 1131, the limiting bar 1132, the serpentine side 1133, the integrated bracket 1151, the first pole 1331, the second pole 1332 and the through hole 1511.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. It may be a mechanical connection that is made, or may be an electrical connection. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The disclosure herein provides many different embodiments or examples for implementing different structures of the utility model. To simplify the present disclosure, components and arrangements of specific examples are described herein. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Referring to fig. 1 to 3, an energy storage power supply 10 is provided in an embodiment of the present utility model. The stored energy power supply 10 comprises a housing 11, at least one electrical cell 13, a fixture 15 and an electrical connection 17. The inner wall of the housing 11 is provided with a positioning portion 111, a first end 131 of at least one cell 13 is inserted into the positioning portion 111, and a second end 132 of at least one cell 13 opposite to the first end 131 is provided with two electrodes 133. The fixing member 15 fixes the second end 132 of the at least one cell 13. The electrical connector 17 is electrically connected to the second end 132 of the at least one cell 13.

Above-mentioned energy storage power supply 10, casing 11 inner wall is equipped with location portion 111, and the first end 131 of electric core 13 can directly insert and establish at location portion 111, and need not be fixed through the support and reassemble to casing 11, has also saved the installation procedure when having saved spare part, and casing 11 need not reserve the installation space, can reduce the cost of energy storage power supply 10 and reduce the volume of energy storage power supply 10. In addition, the second end 132 of the battery cell 13 is fixed by the fixing member 15 and is connected with the electrical connecting member 17, so that the battery cell 13 can be integrally fixed and electrically connected in the housing 11.

Specifically, in one embodiment, as shown in fig. 1 and 2, at least a portion of the housing 11 of the energy storage power supply 10 encloses a receiving cavity 112, a positioning portion 111 is disposed in the receiving cavity 112, and the positioning portion 111 can be used for guiding and fixing one end of at least one electric core 13, so that compared with a manner of fixing two ends of the electric core 13 respectively through two brackets, the use of brackets can be reduced, assembly steps can be saved, and production cost can be reduced.

In one embodiment, as shown in fig. 1, the battery cell 13 includes a first end 131 and a second end 132 disposed opposite to each other, so that the energy storage power source 10 ensures the stability of the battery cell 13 in the energy storage power source 10 by fixing the first end 131 and the second end 132 of the battery cell 13, respectively.

It can be appreciated that the first end 131 and the second end 132 of the battery cell 13 may be respectively the lower end and the upper end, the left end and the right end, the front end and the rear end of the corresponding battery cell 13 or other opposite ends, which are related to factors such as the shape or the placement direction of the battery cell 13, and the first end 131 and the second end 132 may be respectively fixed by the positioning portion 111 and the fixing member 15, so that the battery cell 13 is safely placed in the energy storage power source 10 to ensure that the energy storage power source 10 works normally, which is not limited herein.

In one embodiment, the inner wall of the housing 11 is provided with the positioning portion 111, which is equivalent to combining one of the brackets into the housing 11, that is, the positioning portion 111 and the housing 11 are in an integral structure, and are not detachable, so that one end of the battery Cell 13 is directly installed on the housing 11, thereby realizing a "Cell to pack" (CTP) structure, that is, a no-module technology, omitting or reducing the assembly module (in which the module comprises the bracket, the bolt and other parts), without reserving an installation space, and realizing cost reduction and miniaturization of the product.

In one embodiment, the positioning portion 111 may be disposed at different positions on the inner wall of the housing 11, for example, an inner sidewall, an inner bottom wall, or other positions of the housing 11, so that the first end 131 of the at least one battery cell 13 is fixed at the positioning portion 111, thereby ensuring that one end of the at least one battery cell 13 is stably disposed in the energy storage power source 10, which is not particularly limited herein.

For example, in one example, the positioning portion 111 may be a positioning groove with a shape and a size matching those of the first ends 131, as shown in fig. 1, for example, the positioning portion 111 is a cylindrical slot, so that the first ends 131 of at least one battery cell 13 respectively form an interference fit with a corresponding number of positioning grooves, so as to improve connection stability of the battery cells 13 and the positioning portion 111.

In one embodiment, as shown in fig. 1, the energy storage power supply 10 includes a fixing member 15, where the fixing member 15 is detachably connected in the energy storage power supply 10 and is disposed opposite to the positioning portion 111, and can be used to fix the second end 132, so as to ensure that the second end 132 is stably disposed in the energy storage power supply 10, thereby improving the overall stability of at least one electric core 13, and further ensuring safe operation of the energy storage power supply 10.

In one embodiment, as shown in fig. 1, the electrical connector 17 is a bus bar and is used to connect multiple cells 13 in series and/or parallel in the case of multiple cells 13.

In one embodiment, as shown in fig. 1, the electrical connection member 17 is multiple and is respectively provided with multiple positioning holes (not shown), and the fixing member 15 is provided with multiple positioning posts (not shown) corresponding to the multiple positioning holes, so that the positioning holes and the positioning posts are correspondingly connected, for example, the positioning holes and the positioning posts can form interference fit, can be combined through screws, and can also be connected through other modes, thereby ensuring that the electrical connection member 17 is fixedly mounted on the fixing member 15, and has good connection stability.

In one embodiment, the fixing member 15 is formed with a plurality of through holes 1511, so that the second end 132 of the at least one battery cell 13 is ensured to be exposed through the plurality of through holes 1511, so that the electrical connection member 17 is electrically connected with the at least one battery cell 13, thereby ensuring that the stored energy power source 10 discharges outwards to output electric energy or charges inwards to input electric energy.

It will be appreciated that, as shown in fig. 1 and 2, the electrical connector 17 and the at least one electric core 13 may be electrically connected by welding, so that the electrical connector 17 connects the at least one electric core 13 in series and/or in parallel, thereby enabling the energy storage power supply 10 to provide a suitable power supply voltage to meet the user's requirement.

For example, in one example, the electrical connector 17 may connect the positive poles of at least one cell 13 to form a total positive connection port, and connect the negative poles to form a total negative connection port, that is, the electrical connector 17 connects at least one cell 13 in parallel, so that at least one cell 13 forms a stable output power source, thereby ensuring that the energy storage power source 10 works normally and has good durability.

In another example, the electrical connection member 17 may alternately connect each positive electrode column and each negative electrode column of at least one electrical core 13 in turn, so that the positive electrode column and the negative electrode column connected to two ends of the electrical connection member 17 are respectively a positive connection port and a negative connection port, that is, the electrical connection member 17 is connected in series with at least one electrical core 13, so that the at least one electrical core 13 forms a large-voltage output power source, thereby ensuring that the power consumption requirement of a user is met.

In one embodiment, as shown in fig. 1 and fig. 2, the energy storage power supply 10 further includes an acquisition board 19, the acquisition board 19 is provided with nickel strips arranged in a column along the left-right direction, the nickel strips can be connected and fixed with the electric connection piece 17 in a welding manner, for example, the welding manner can be laser welding or the like, so that the energy storage power supply 10 is ensured to acquire state information of each electric core 13 in time, and the state information of the electric core 13 can include information such as temperature, current or voltage, so as to ensure safe operation of the energy storage power supply 10.

That is, after the electrical connection 17 is soldered to each of the cells 13, the acquisition board 19 may be fixed to the electrical connection 17 at a corresponding position by screws. After the acquisition board 19 is fixed, the nickel strap of the acquisition board 19 and the electric connecting piece 17 can be connected in an electric connection mode such as laser welding, so that the acquisition board 19 and the electric connecting piece 17 are electrically connected.

It should be noted that, the first end 131 may be a non-polar end, and the second end 132 may be a polar end with at least two polar posts having different electrical properties, so that the energy storage power supply 10 only sets the electric connector 17 and the collecting plate 19 at the second end 132 of the electric core 13, so that the electric connector 17 and the collecting plate 19 are electrically connected with the positive and negative polar posts located at the second end 132 of the electric core 13 respectively, so as to ensure normal charging and discharging of the electric core 13, thereby saving the number and arrangement space of the electric connector 17 and the collecting plate 19, and being beneficial to miniaturization design of the energy storage power supply 10.

Referring to fig. 4 to 11, in some embodiments, the positioning portion 111 is located on an inner bottom wall 113 or an inner side wall 115 of the housing 11.

In this way, the battery cells 13 are ensured to be stably placed through the inner bottom wall 113 or the inner side wall 115 of the shell 11, so as to meet different product installation requirements.

Specifically, in one embodiment, as shown in fig. 4 to 7, the positioning portion 111 is located on the inner bottom wall 113 of the housing 11, that is, the positioning portion 111 is not in contact with the side edge of the housing 11, so that a space for placing the battery cell 13 perpendicular to the paper surface inward can be formed, so that the inner bottom wall 113 of the housing 11 and a baffle (not shown) forming the positioning portion 111 enclose to form a stable supporting structure, thereby ensuring that the first end 131 of the battery cell 13 is stably placed on the positioning portion 111.

It can be appreciated that the inner bottom wall 113 of the housing 11 can be used as a supporting base, and can bear the battery cells 13 placed in the positioning portion 111, so as to improve the placement stability of the battery cells 13, thereby ensuring the safe operation of the battery cells 13.

In one example, as shown in fig. 5, the battery cells 13 may be in a sheet shape or a block shape, and may be used to mount the positioning portions 111 disposed in the rectangular slots, so as to ensure the stability of the battery cells 13.

In another example, as shown in fig. 4, 6 and 7, the battery cell 13 may also have a cylindrical shape, and may be used to mount the positioning portion 111 disposed in the cylindrical slot hole, so as to ensure the stability of the battery cell 13.

In other examples, the battery cells 13 may be formed in other shapes to match the positioning portions 111 with corresponding shapes, so as to ensure stable placement of the battery cells 13, which is not particularly limited herein.

In one embodiment, as shown in fig. 8 to 11, the positioning portion 111 is located on the inner sidewall 115 of the housing 11, that is, the positioning portion 111 is in direct contact with the side edge of the housing 11, so that a space for placing the battery cell 13 perpendicular to the paper surface inwards can be formed, so that the inner sidewall 115, the inner bottom wall 113 and a baffle (not shown) forming the positioning portion 111 of the housing 11 enclose to form a stable supporting structure, thereby ensuring that the first end 131 of the battery cell 13 is stably placed on the positioning portion 111.

It can be appreciated that the inner sidewall 115 of the housing 11 may be equivalent to a portion of a baffle plate, and may be used to limit and fix the battery cells 13, so that the battery cells 13 are stably placed on the positioning portion 111, and meanwhile, the inner bottom wall 113 of the housing 11 may be used as a supporting base, and may be used to carry the battery cells 13 placed in the positioning portion 111, so as to improve the placement stability of the battery cells 13, thereby ensuring safe operation of the battery cells 13.

In one example, as shown in fig. 8 and 9, the battery cells 13 may be in a sheet shape or a block shape, and may be used to mount the positioning portions 111 disposed in the rectangular slots, so as to ensure the stability of the battery cells 13.

In another example, as shown in fig. 10, the battery cell 13 may also have a cylindrical shape, and may be used to mount the positioning portion 111 disposed in the cylindrical slot hole, so as to ensure the stability of the battery cell 13.

In yet another example, as shown in fig. 11, the battery cell 13 may also have a hollow cylindrical shape, and may be used to mount the positioning portion 111 disposed in an annular shape, so as to ensure stability of the battery cell 13.

In summary, the positioning portion 111 is located on the inner bottom wall 113 or the inner side wall 115 of the housing 11, so that the bracket use and installation space can be saved, and the placement number and energy density of the battery cells 13 can be improved, and the practicability is good.

Referring to fig. 4, in some embodiments, the inner bottom wall 113 of the housing 11 is formed with a plurality of clamping columns 1131 arranged in an array, and the positioning portion 111 is a positioning groove formed between two adjacent rows and columns of clamping columns 1131.

Thus, the first end 131 for guiding the fixed cylindrical battery cell 13 has good safety.

Specifically, in one embodiment, the plurality of clamping columns 1131 are arranged in a plurality of rows and a plurality of columns, and positioning grooves are defined between two adjacent rows and two columns of clamping columns 1131, so as to ensure that the plurality of battery cells 13 are respectively placed at intervals, and the safety is good.

It can be appreciated that the positioning grooves arranged at intervals are formed by the plurality of clamping columns 1131, so that the plurality of electric cores 13 can be ensured to be placed at intervals, the problems of thermal expansion and the like caused by direct contact of the plurality of electric cores 13 can be reduced, the situation that the plurality of electric cores 13 are mutually extruded and deformed due to collision of the energy storage power supply 10 can be reduced, and the safety risk can be reduced.

In one embodiment, as shown in fig. 4, a cylindrical slot may be defined between two adjacent rows and two columns of the clamping posts 1131, so as to ensure stable placement of the cylindrical battery cells 13, thereby improving stability of the cylindrical battery cells 13.

In detail, the outer peripheral wall of each clamping column 1131 forms an arc surface to form a cylindrical slot by surrounding, so that the cylindrical slot is matched with the outer peripheral wall of the battery cell 13, the connection effect of the battery cell 13 and the positioning part 111 is ensured, and the shaking phenomenon is reduced.

In other embodiments, the positioning slot may have other shapes, such as a rectangle, to ensure that the battery cells 13 with different shapes are stably placed, which is not limited herein.

In one embodiment, as shown in fig. 1 and 4, the height of the clamping post 1131 is preferably less than or equal to the height of the housing 11 of fig. 1 to ensure that the height of the positioning part 111 is less than or equal to the height of the housing 11 of fig. 1, thereby ensuring that the battery cell 13 is stably placed on the positioning part 111. Of course, the height of the clamping post 1131 may also be greater than the height of the housing 11 of fig. 1, so that the height of the positioning portion 111 is greater than the height of the housing 11 of fig. 1, and the electronic component (such as an inverter) located on the second end 132 of the battery cell 13 is ensured to be stably fixed inside the energy storage power source 10 by other connectors, which is not particularly limited herein.

The housing 11 in fig. 1 may be a single-sided housing 11, for example, a lower housing integrated with the positioning portion 111, a left housing integrated with the positioning portion 111, or a single-sided housing 11 in other directions, which is not particularly limited herein.

Referring to fig. 6, in some embodiments, the inner bottom wall 113 of the housing 11 is formed with a plurality of limiting strips 1132, the plurality of limiting strips 1132 include serpentine sides 1133, and the positioning portion 111 is a positioning slot formed between two adjacent serpentine sides 1133.

In this way, the first end 131 of the cylindrical battery cell 13 is inserted into the positioning groove, and the side surface of the battery cell 13 is tightly attached to the serpentine side surface 1133, so as to improve the stability of the battery cell 13.

Specifically, in one embodiment, the plurality of limiting bars 1132 are arranged on the inner bottom wall 113 of the housing 11 in a plurality of rows, each limiting bar 1132 includes two serpentine sides 1133 disposed opposite to each other, so as to form a plurality of positioning slots disposed at intervals in the row direction, and form a plurality of positioning slots disposed at intervals in the column direction, thereby ensuring that the plurality of battery cells 13 are disposed at the positioning portions 111 at intervals, and having good safety.

It can be appreciated that, through the serpentine side 1133 interval arrangement positioning groove, the plurality of battery cells 13 can be ensured to be placed at intervals, the problems of thermal expansion and the like caused by direct contact of the plurality of battery cells 13 can be reduced, the situation that the plurality of battery cells 13 are mutually extruded and deformed due to collision of the energy storage power supply 10 can be reduced, and the safety risk can be reduced.

In one embodiment, as shown in fig. 6, the limit bars 1132 may be disposed in 3 rows along the left-right direction, and a plurality of cylindrical slots may be defined between two serpentine sides 1133 of each limit bar 1132, so as to ensure that a plurality of cylindrical battery cells 13 are stably placed and spaced by a safe distance, thereby improving the stability of the cylindrical battery cells 13.

In other embodiments, the limiting bars 1132 may be other numbers, and the positioning slots may be other shapes, such as rectangular, to ensure that the battery cells 13 with different shapes are stably placed, which is not limited herein.

Referring to fig. 8 to 11, in some embodiments, the inner sidewall 115 of the housing 11 is formed with an integral bracket 1151, and the positioning portion 111 is a positioning groove formed on the integral bracket 1151.

Therefore, the battery cell bracket is saved, the first end 131 of the battery cell 13 is ensured to be stably fixed through the inner side wall 115 of the shell 11, and the cost is reduced.

Specifically, in one embodiment, as shown in fig. 8 to 11, the inner sidewall 115 of the housing 11 is formed with an integral bracket 1151, so that the inner sidewall 115 and the integral bracket 1151 form the positioning part 111, so that the first end 131 of the battery cell 13 is placed in the positioning part 111 in a limited manner and is supported by the inner bottom wall 113, thereby ensuring the stability of the battery cell 13.

In one embodiment, the housing 11 and the integral bracket 1151 may be integrally formed by injection molding, so as to save external brackets and installation space, and improve structural strength of the housing 11 and the integral bracket 1151, thereby ensuring safe placement of the battery cells 13.

In other embodiments, the housing 11 and the integral bracket 1151 may be formed in other ways to ensure safe placement of the battery cells 13, without limitation.

In one embodiment, as shown in fig. 8, an integral bracket 1151 may be formed on two opposite inner side walls 115 in the housing 11 to form a plurality of rectangular positioning slots for placing the sheet-shaped or square-shaped battery cells 13, so as to ensure the stability and safety of the battery cells 13.

In one embodiment, as shown in fig. 9, the integral bracket 1151 may be formed on a single inner sidewall 115 (as shown in fig. 9) in the housing 11, or may be formed on two adjacent inner sidewalls 115 or three adjacent inner sidewalls 115 (not shown) in the housing 11, and the integral bracket 1151 is in a square frame shape to form a plurality of rectangular positioning slots, which may be used for placing the sheet-shaped or square-shaped battery cells 13, so as to ensure stability and safety of the battery cells 13, which is not limited herein.

In one embodiment, as shown in fig. 10, the integrated bracket 1151 may be formed on a single inner sidewall 115 (as shown in fig. 10) in the housing 11, or may be formed on two adjacent inner sidewalls 115 or three adjacent inner sidewalls 115 (not shown) in the housing 11, and the integrated bracket 1151 may define a plurality of cylindrical positioning slots for placing the cylindrical battery cells 13, thereby ensuring stability and safety of the battery cells 13, which is not particularly limited herein.

In one embodiment, as shown in fig. 11, the integrated bracket 1151 may be formed on a single inner sidewall 115 in the housing 11 (as shown in fig. 11), or may be formed on two adjacent inner sidewalls 115 or three adjacent inner sidewalls 115 in the housing 11 (not shown in the drawings), and the integrated bracket 1151 may be a column and an outer frame arranged in an array, and may define a plurality of annular positioning grooves, which may be used for placing the hollow cylindrical battery cells 13, so as to ensure stability and safety of the battery cells 13, which is not limited herein.

In combination, the housing 11 and the integrated bracket 1151 are of an integrated structure, so that an external bracket and an installation space can be saved, stable placement of the battery cells 13 can be ensured, and the cost is reduced.

Referring to fig. 4 to 11, in some embodiments, the positioning slot is circular or rectangular.

Therefore, the cylindrical battery cells 13 and the rectangular battery cells 13 can be stably placed in the positioning grooves with corresponding shapes, and the suitability and the safety of the battery cells 13 with different shapes are improved.

Specifically, in one embodiment, as shown in fig. 4, 6, 7, 10 and 11, the positioning groove is circular and can be used for placing the cylindrical battery cell 13, so as to ensure that the cylindrical battery cell 13 is connected with the circular positioning groove in a matching manner, thereby improving the safety of the cylindrical battery cell 13.

In another embodiment, as shown in fig. 5, 8 and 9, the positioning slot is rectangular, and can be used for placing the sheet-shaped or square-shaped battery cells 13, so as to ensure that the sheet-shaped or square-shaped battery cells 13 are connected with the rectangular positioning slot in a matching manner, thereby improving the safety of the sheet-shaped or square-shaped battery cells 13.

It will be appreciated that in one example, the cells 13 may form an interference fit with the positioning slots to ensure stable placement of the cells 13 and thus secure operation of the cells 13.

In another example, in the case that the battery cell 13 is placed in the positioning slot, the battery cell 13 and the positioning slot can be ensured to be stably connected by injecting colloid, so that the battery cell 13 can be ensured to work safely.

The colloid can be heat conducting glue, so that on one hand, the connection effect of the battery cell 13 can be enhanced, on the other hand, heat generated by the battery cell 13 can be discharged through the shell 11, and the battery cell 13 can be enabled to effectively dissipate heat, so that the safety is good.

In conclusion, the positioning groove is round or rectangular, the cylindrical battery cells 13 and the rectangular battery cells 13 can be guaranteed to be stably placed, the suitability of placing the battery cells 13 in different shapes is improved, and the practicability is good.

In certain embodiments, the cells 13 comprise one of cylindrical cells and sheet cells.

Thus, by providing the battery cells 13 in different shapes, the actual demands of users are met.

Specifically, in one embodiment, the battery cell 13 includes one of a cylindrical battery cell and a sheet-shaped battery cell, that is, the energy storage power supply 10 may work with the cylindrical battery cell or may work with the sheet-shaped battery cell, so as to ensure the power consumption requirement of the user, which is not limited herein.

In one embodiment, the battery cell 13 may be a cylindrical battery cell, as shown in fig. 1, and may be placed in a housing 11 provided with a plurality of cylindrical positioning portions 111 in a matching manner, so as to ensure the charging and discharging process of the energy storage power supply 10.

In another embodiment, the battery cells 13 may be sheet-shaped battery cells (not shown) and may be placed in a housing 11 provided with a plurality of rectangular positioning portions 111 in a matching manner, so as to ensure the charging and discharging process of the energy storage power source 10. The sheet-shaped battery cells can be formed by stacking a plurality of battery cells 13 on the side edges.

For example, the sheet-shaped battery cell can be a soft package battery cell adopting an aluminum plastic film or a steel plastic film, and has the advantages of small volume and high energy density of the single battery cell 13. Meanwhile, under the condition of potential safety hazard, the shell of the soft package battery core can release internal stress in a swelling or cracking mode, so that the safety of the soft package battery core is improved. As shown in fig. 5, 8 and 9, the width of the soft package battery cell may be matched with the width (e.g., left and right direction) of the positioning portion 111, and stacked in the length direction (e.g., front and rear direction). Of course, the width of the soft package battery core may be about half of the width of the positioning portion 111, so that two rows of soft package battery cores can be placed side by side in the positioning portion 111, and meanwhile, a gap for accommodating the colloid is reserved, so as to ensure that the soft package battery core is stably fixed.

Referring to fig. 12, in some embodiments, the battery cell 13 includes two electrodes 133, and the two electrodes 133 are located at the second end 132 of the battery cell 13.

Thus, the structure of the energy storage power supply 10 can be simplified, the welding space can be reduced, and the miniaturization is facilitated.

Specifically, in one embodiment, as shown in fig. 1 and 12, the battery cell 13 includes a first end 131 and a second end 132, where the first end 131 and the second end 132 are disposed opposite to each other and are stably connected to each other through the positioning portion 111 and the fixing member 15, so as to ensure safe operation of the battery cell 13.

In one embodiment, the battery cell 13 includes two electrodes 133, where the two electrodes 133 are located at the second end 132 of the battery cell 13, that is, the first end 131 may be an end without the electrodes 133 and may be cooperatively connected with the positioning portion 111, and the second end 132 may be an end with the two electrodes 133 and may be cooperatively connected with the fixing element 15, the electrical connecting element 17, the collecting board 19, and the like, so as to ensure input or output of a power source.

In one embodiment, as shown in fig. 1 and 12, the two electrodes 133 may include a first electrode post 1331 and a second electrode post 1332, where the first electrode post 1331 may be a positive electrode post and the second electrode post 1332 may be a negative electrode post, so as to form a positive and negative interface of the battery cell 13, so as to ensure charging or discharging of the battery cell 13. Of course, the first electrode 1331 may be a negative electrode, and the second electrode 1332 may be a positive electrode, which is not particularly limited herein.

That is, in one embodiment, one of the two electrodes 133 is a positive electrode and the other is a negative electrode.

Therefore, the same side of the battery core 13 can realize the charging function or the discharging function, the winding and welding steps are reduced, and the miniaturization of the energy storage power supply 10 is facilitated.

It can be appreciated that the two electrodes 133 are located at the second end 132 of the battery core 13, that is, the two electrodes 133 are located at the same side of the battery core 13, so that the arrangement of the electric connector 17 and the acquisition board 19 at the first end 131 can be reduced, the welding steps can be reduced, the installation space can be saved, the cost can be reduced, the miniaturization design of the energy storage power supply 10 can be facilitated, and the practicability is good.

In other embodiments, the first end 131 may be the end provided with two electrodes 133, and the second end 132 may be the end not provided with the electrodes 133, so as to ensure that the energy storage power supply 10 works normally, which is not limited herein.

In some embodiments, the two electrodes 133 are two differently shaped or differently sized posts.

Therefore, the positive electrode and the negative electrode of the battery cell 13 are conveniently distinguished according to the shape or the size of the convex column, so that the accuracy of the installation and connection of the battery cell 13 is improved, and the safe use of the energy storage power supply 10 is ensured.

Specifically, in one embodiment, the two electrodes 133 are two protruding columns with different shapes or different sizes, so that the two electrodes 133 are easy to distinguish, and correct wiring of the battery cells 13 is ensured, thereby meeting the power supply requirement of the user for the series battery cells 13 or the parallel battery cells 13.

It will be appreciated that the posts may be two differently shaped and electrically different first and second posts 1331 and 1332 of fig. 12, wherein the posts may be circular and oval to facilitate the differentiated wiring for safe use.

That is, the circular stud may be the positive electrode, the elliptical stud may be the negative electrode, or the circular stud may be the negative electrode, and the elliptical stud may be the negative electrode. Of course, the protruding post may have other shapes, and is not particularly limited herein.

In some embodiments, the second end 132 of the cell 13 is provided with a stud configured as one of the two electrodes 133, and the other portion of the second end 132 of the cell 13 can be the other of the two electrodes 133.

In this way, the battery cell 13 realizes the charge input and the discharge output at the second end 132, thereby ensuring the normal operation of the energy storage power supply 10.

Specifically, in one embodiment, the second end 132 of the cell 13 is provided with a stud such that the stud may act as one electrode 133, i.e., as one terminal of the cell 13.

In one embodiment, the other portion of the second end 132 of the battery cell 13 can be the other electrode 133, that is, the other electrode 133 can be formed at the other portion of the second end 132 except for the occupation area of the protruding pillar, for example, another protruding pillar or other forms are arranged at the other portion of the second end 132 to form another terminal of the battery cell 13, so that the battery cell 13 can realize the functions of charging input and discharging output at the second end 132, and meanwhile, the welding space of the battery cell 13 arranged at two ends is reduced, so that the practicability is good.

Referring to fig. 1, in some embodiments, the fixing member 15 includes a split bracket 151, where the split bracket 151 is formed with a plurality of second positioning portions (not shown) for fixing the second end 132, and the second positioning portions are provided with through holes 1511 for protruding the posts.

In this way, the second end 132 of the battery cell 13 is stably placed, so that the overall stability of the battery cell 13 is ensured.

Specifically, in one embodiment, as shown in fig. 1, the split bracket 151 may be a detachable bracket, and may be disposed at the second end 132 of the battery cell 13 and fixed on the housing 11 by the screw 152, so as to ensure that the battery cell 13 is stably disposed inside the energy storage power supply 10.

It will be appreciated that, as shown in fig. 1, the split bracket 151 may be provided with a screw 152, and the housing 11 may be provided with a corresponding threaded screw hole, so that the split bracket 151 is detachably connected with the housing 11, thereby ensuring assembly, maintenance and replacement of the battery cell 13.

In one embodiment, the split bracket 151 is formed with a plurality of second positioning portions (not shown), which may be blind holes that match the shape and size of the second ends 132 of the cells 13, and may form an interference fit for fixing the second ends 132 of the cells 13 on the split bracket 151.

In one embodiment, the split bracket 151 is formed with a plurality of through holes 1511, and the diameter of the through holes 1511 is smaller than that of the second end 132 of the battery cell 13 and may be arranged concentrically with the second positioning portion (not shown), so that the second end 132 of the battery cell 13 abuts against the second positioning portion, that is, abuts against the split bracket 151 at the periphery of the through holes 1511, thereby achieving the fixation of the second end 132 of the battery cell 13. Because the first end 131 of the battery cell 13 is fixed by the positioning part 111, the battery cell 13 is ensured to be integrally and stably fixed in the energy storage power supply 10.

In addition, the two electrodes 133 are located at the second end 132 of the battery cell 13, so that the two electrodes 133 can be arranged in a protruding manner through the through hole 1511 to be welded with the electrical connector 17, so that the battery cell 13 is electrically connected with the electrical connector 17, and the normal charging and discharging process of the battery cell 13 is ensured.

In one embodiment, the through hole 1511 may be a cylindrical hole, or may be a hole with another shape, so as to ensure that the second end 132 of the battery cell 13 abuts against the split bracket 151 and is fixed at the position of the through hole 1511, which is not limited herein.

In some embodiments, the securing member 15 comprises a securing gel.

Thus, the battery cell 13 is stably placed in the energy storage power supply 10, so that the safe operation of the battery cell 13 is ensured.

Specifically, the fixing member 15 includes a fixing colloid, that is, when the first end 131 of the battery cell 13 is fixed on the positioning portion 111, the battery cell 13 can be integrally and stably connected in the energy storage power supply 10 through the fixing colloid, so as to ensure safe operation of the battery cell 13.

It can be appreciated that in an embodiment, in the case that the first end 131 of at least one electric core 13 is inserted into the positioning portion 111, since the electric cores 13 are arranged in an array by the positioning portion 111, only the fixing colloid needs to be injected into the accommodating cavity 112 of the housing 11 and guided between the gaps of the electric cores 13, so that the second ends 132 of the electric cores 13 are ensured to be stably connected in the energy storage power supply 10, and the electric cores 13 are ensured to be integrally and stably arranged, and the safe operation of the electric cores 13 is ensured.

In one embodiment, the fixing gel may be a structural gel.

On one hand, the structural adhesive can bear a large load. By injecting structural adhesive between the gaps of the plurality of battery cells 13, the impact resistance of the battery cells 13 can be enhanced. Under the condition that the shell 11 of the energy storage power supply 10 is damaged to directly impact the battery cell 13, the structural adhesive can bear part of impact force, and meanwhile, the structural adhesive can transmit the impact force to the whole battery cell 13 to lighten impact damage.

On the other hand, the structural adhesive has better corrosion resistance, and can prevent electrolyte from further leakage to corrode other battery cells 13 or other structural components under the condition that part of the battery cells 13 leak electrolyte due to structural damage or the electrolyte is sprayed out of an explosion-proof valve (not shown) of the battery cells 13 due to thermal runaway.

In addition, the structural adhesive also has good heat conductivity, so that heat generated by the battery cell 13 is transferred to the positioning part 111 and the shell 11, and the working temperature of the battery cell 13 is reduced, so that the battery cell 13 can work safely.

Referring to fig. 13, in some embodiments, the housing 11 includes a first case 117 and a second case 119, the first case 117 is detachably connected to the second case 119, and the positioning portion 111 is provided on the first case 117 or the second case 119.

Specifically, in one embodiment, as shown in fig. 13, the housing 11 includes a first housing 117 and a second housing 119, where the first housing 117 may be a lower housing, the second housing 119 may be an upper housing, and the first housing 117 and the second housing 119 are disposed opposite to each other, and may be connected in a matching manner by threads, a buckle, or a clip, to provide a relatively stable and sealed environment, so as to ensure safe and stable operation of the battery cell 13 in the energy storage power source 10.

In some embodiments, the first and second cases 117 and 119 may be located at front and rear or left and right portions of the case 11, respectively, or the first and second cases 117 and 119 may be distributed at two opposite corners of the case 11.

It will be appreciated that the first housing 117 and the second housing 119 may be removably attached to one another by threads, snaps, or clips, etc. The first case 117 and the second case 119 enclose to form the accommodation chamber 112 and accommodate the battery cells 13. Thereby, convenience in assembly or disassembly maintenance can be increased.

In one embodiment, the positioning portion 111 is disposed on the first housing 117 or the second housing 119, and it is understood that when the first housing 117 is a lower housing, the positioning portion 111 is disposed on the first housing 117 and can serve to fix and support the battery cell 13. When the second case 119 is a lower case, the positioning portion 111 is provided on the second case 119, and functions to fix and support the battery cells 13. When the housing 11 is placed on the side, the positioning portion 111 may be disposed on the first casing 117 or the second casing 119, so as to ensure the fixing and supporting of the battery cell 13, thereby ensuring the normal operation of the battery cell 13.

In addition, referring to fig. 13, in some embodiments, the energy storage power source 10 may further include an inverter 21, a battery management system 23, and a main board 25 disposed inside the housing 11, and a front panel 27 disposed outside the housing 11.

The inverter 21 is disposed on the electric core 13 and can be electrically connected with the electric core 13, and is configured to convert direct current generated by the electric core 13 into alternating current for use by electric equipment.

The battery management system 23 is disposed between the battery cell 13 and the inverter 21, and can be used to monitor status information of the battery cell 13, such as current, temperature or voltage, so as to avoid overcharge, overdischarge or short-circuit of the battery cell 13, and protect the battery cell 13 from damage.

The main board 25 may be electrically connected to the battery cell 13 and the inverter 21, and may be used to obtain user instructions and control the charging or discharging process of the battery cell 13 and the inverter 21 through a user input port.

The front panel 27 is electrically connected to the main board 25, and the front panel 27 may display information such as the current power of the energy storage power supply 10 and the battery temperature. Front panel 27 may also include a port for energy storage power supply 10 to connect to a powered device or charging device so that battery 13 may power the powered device or be charged by the charging device.

In one embodiment, the stored energy power source 10 may also include a handle 29 and a foot pad 31.

The handle 29 is U-shaped and connected with the second shell 119, and meanwhile, the handle 29 is foldable and stored in a groove formed by the second shell 119, so that the energy storage power supply 10 is convenient to pull and place, and is labor-saving and practical.

In one example, the handle 29 may be integrally formed of hollow aluminum material to reduce the weight of the stored energy power supply 10 while securing the support strength.

In one embodiment, the foot pad 31 may be multiple and disposed at the bottom of the first shell 117, which may be used to increase the friction force at the bottom of the energy storage power source 10, prevent the energy storage power source 10 from accidentally sliding to generate collision or falling, and improve the safety of the energy storage power source 10.

In one example, the foot pad 31 may be plastic, which reduces costs while maintaining friction.

Referring to fig. 1, in some embodiments, the positioning portion 111 and the housing 11 are integrally formed.

In this way, the continuity and structural strength of the positioning portion 111 and the housing 11 are improved, thereby ensuring the safety and stability of the energy storage power supply 10.

Specifically, in one embodiment, the positioning portion 111 and the housing 11 are integrally formed, so that the connection stability of the positioning portion 111 and the housing 11 can be improved, and the housing 11 has better supporting strength, so that the positioning portion 111 is ensured to be stably connected with the first end 131 of the battery cell 13, and further the safety of the battery cell 13 is ensured.

In one embodiment, the positioning portion 111 and the housing 11 may be integrally formed by injection molding, or may be integrally formed by other processes, so as to ensure that the positioning portion 111 and the housing 11 are integrally formed, thereby reducing the use and arrangement space of the bracket, which is not particularly limited herein.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. An energy storage power supply, comprising:

a housing, wherein a positioning portion is provided on an inner wall of the housing;

At least one battery cell, wherein a first end of the at least one battery cell is inserted into the positioning portion, and a second end of the at least one battery cell opposite to the first end is provided with two electrodes;

a fixing member, wherein the fixing member fixes the second end of the at least one battery cell;

an electrical connector electrically connected to the second end of the at least one battery cell;

An inverter is electrically connected to the at least one battery cell.

2 . The energy storage power supply according to claim 1 , wherein the positioning portion is located on the inner bottom wall or the inner side wall of the shell.

3. The energy storage power supply according to claim 1, wherein the inner bottom wall of the shell is formed with a plurality of clamping columns arranged in an array, and the positioning portion is a positioning groove formed between two adjacent rows and two columns of the clamping columns.

4. The energy storage power supply according to claim 1, characterized in that a plurality of limiting bars are formed on the inner bottom wall of the shell, the plurality of limiting bars include serpentine side surfaces, and the positioning portion is a positioning groove formed between two adjacent serpentine side surfaces.

5 . The energy storage power supply according to claim 1 , wherein an integral bracket is formed on the inner side wall of the shell, and the positioning portion is a positioning groove formed on the integral bracket.

6 . The energy storage power supply according to claim 3 , wherein the positioning groove is circular or rectangular.

7. The energy storage power supply according to claim 1, wherein the battery cell comprises one of a cylindrical battery cell and a sheet battery cell.

8 . The energy storage power supply according to claim 1 , wherein one of the two electrodes is a positive electrode and the other is a negative electrode.

9 . The energy storage power supply according to claim 1 , wherein the two electrodes are two convex columns of different shapes or sizes.

10. The energy storage power supply according to claim 1, wherein a protrusion is provided at the second end of the battery cell, the protrusion constitutes one of the two electrodes, and the other part of the second end of the battery cell can constitute the other of the two electrodes.

11. The energy storage power supply according to claim 9 or 10, characterized in that the fixing member includes a split bracket, the split bracket is formed with a plurality of second positioning portions, the second positioning portions are used to fix the second end, and the second positioning portions are provided with a through hole for the protrusion to extend.

12 . The energy storage power supply according to claim 1 , wherein the fixing member comprises a fixing colloid.

13 . The energy storage power supply according to claim 1 , wherein the housing comprises a first shell and a second shell, the first shell is detachably connected to the second shell, and the positioning portion is provided on the first shell or the second shell.

14 . The energy storage power supply according to claim 1 , wherein the positioning portion and the housing are integrally formed.

15 . The energy storage power supply according to claim 1 , further comprising a battery management system, wherein the battery management system is electrically connected to the battery cell and the inverter.

16. The energy storage power supply according to claim 1, characterized in that the energy storage power supply further comprises a front panel and a main board, the main board is arranged in the shell, the main board is electrically connected to the battery cell and the inverter, and the front panel is arranged outside the shell, the front panel is electrically connected to the main board.